../ dmsp_08_ephemeris_19921229.txt 21-Jun-2023 23:45 109331 dmsp_09_ephemeris_19921229.txt 21-Jun-2023 23:45 319 dmsp_10_ephemeris_19921229.txt 21-Jun-2023 23:45 109577 dmsp_11_ephemeris_19921229.txt 21-Jun-2023 23:45 109459